21720606

素因数分解:

$2^1\times 3^1\times {\mathrm{193}}^1\times {\mathrm{18757}}^1$

素因数の和:18955

約数の個数: 16

約数和(自身を含む): 43668624

約数和(自身を除く): 21948018

約数列:

[1, 2, 3, 6, 193, 386, 579, 1158, 18757, 37514, 56271, 112542, 3620101, 7240202, 10860303, 21720606]

約数ペア:

[(1, 21720606), (2, 10860303), (3, 7240202), (6, 3620101), (193, 112542), (386, 56271), (579, 37514), (1158, 18757)]